update = 5;
newplane = 5;
width = 30;
height = 21;

exit:	( 10  0 x ) ( 19  0 x )
	( 29  7 a ) ( 29 13 a )
	( 19 20 w ) ( 10 20 w )
	(  0 13 d ) (  0  7 d ) ;

beacon:	( 10  7 ) ( 19  7 )
	( 19 13 ) ( 10 13 ) ;

line:	[ ( 10  1 ) ( 10  6 ) ]
	[ ( 19  1 ) ( 19  6 ) ]
	[ (  1  7 ) (  9  7 ) ]
	[ ( 11  7 ) ( 18  7 ) ]
	[ ( 20  7 ) ( 28  7 ) ]
	[ ( 10  8 ) ( 10 12 ) ]
	[ ( 19  8 ) ( 19 12 ) ]
	[ (  1 13 ) (  9 13 ) ]
	[ ( 11 13 ) ( 18 13 ) ]
	[ ( 20 13 ) ( 28 13 ) ]
	[ ( 10 14 ) ( 10 19 ) ]
	[ ( 19 14 ) ( 19 19 ) ] ;
